Post Amp Volume Pot

[unclej]

if you wanted to control the volume on a couple of tweeters on an amp could you just put a pot in line and if so would it have to be a special type of pot?

[jnewman]

I guess you could... but you'd have to use a pot rated for the output power of the amplifier, which might get expensive depending on the amp.

[crafty]

Why do you want to do this? Most people use an EQ to bleed off the highs.

[unclej]

Why do you want to do this? Most people use an EQ to bleed off the highs.

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i don't actually..one of my guitar instructors is looking for the perfect sound. we've replicated the woofer and tweeters out of an old peavy main and it's reeeely close. he just wants to play with controlling only the tweeters without effecting the woofer. i told him that my concern was fooling with the total impedence..right now we've got it wired with a resistor on the woofer to make the total impedence including the two tweeters match what the amp calls for.

anyway, that's the reason for the question.

[crafty]

It'd be best just to design a crossover with a variable network that you can use to bleed the highs rather than attempt to directly control the tweeter volume. A pot in series with the driver would simply melt and really f-up your crossover.

[lovekraft]

It's called an L-pad, and it's designed to attenuate the signal without significantly altering the impedance. Try this one:

L-PAD 100W 8OHM MONO 3/8" SHAFT . Less than a tenner with shipping, and should work great (unless your tweeters aren't 8 ohm, or you're using way too much power!).

[unclej]

thanks lk..that looks like exactly what he needs.